C03C 4/06
For phototropic or photochromic glass
Official title: for phototropic or photochromic glass
C03C4/06 (For phototropic or photochromic glass) appears on 136 US grants and 39 published applications in this corpus.
Search patents in C03C- Granted patents
- 136
- Published applications
- 39
- Assignees
- 39
- Inventors
- 174
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 16 | 0 |
| 1979 | 8 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 5 |
| 2018 | 1 | 1 |
| 2019 | 3 | 4 |
| 2020 | 2 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 2 | 5 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Manufacturing tungsten bronze glass ceramic31 Mar 2026US 12,590,026 B2Corning Incorporated
- Scenario-adaptable color-changing ink and solar glass product2 Sep 2025US 12,404,418 B2Hangzhou Bomei Solar Energy Technology Co., Ltd
- Photochromic glass and photochromic glass windows21 Jan 2025US 12,202,768 B2Corning Incorporated
- Transparent, near infrared-shielding glass ceramic18 Apr 2023US 11,629,091 B2Corning Incorporated
- Transparent photochromic device13 Dec 2022US 11,525,180 B2Institutt for Energiteknikk
- Manufacturing tungsten bronze glass ceramic9 Jul 2026US 2026/0193126 A1Corning Incorporated
- Photosensitive glass material, photosensitive microcrystalline glass and photosensitive microcrystalline glass product23 Oct 2025US 2025/0326682 A1Cdgm Glass Co., Ltd
- Silver-containing polarizing glass and optical isolator25 Sep 2025US 2025/0298170 A1Hoya Corporation
- Silver-containing polarizing glass and optical isolator25 Sep 2025US 2025/0298171 A1Hoya Corporation
- Self-healing oxides for ionizing radiation damage13 Feb 2025US 2025/0051212 A1The Aerospace Corporation
Most cited
By later US patents
- Colored photochromic glasses and method100US 4,537,612 ACorning Glass Works · 1985
- Photochromic glass83US 4,190,451 ACorning Glass Works · 1980
- Colored photochromic glasses and method72US 4,240,836 ACorning Glass Works · 1980
- Ultraviolet absorbing photochromic glass of low silver content69US 4,549,894 ACorning Glass Works · 1985
- Method of making high energy beam sensitive glasses65US 5,078,771 ACanyon Materials, Inc. · 1992